# C vs 超教科書

The clearest difference is update cadence: C at every 3 weeks against 超教科書's every 6 months. C also leads on review sentiment (25% vs 0%) and iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

C ships an update every 3 weeks, 超教科書 every 6 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | C | 超教科書 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 52 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Netman. Co.,Ltd.](https://appshunter.io/developer/1097455605) | [BPS Co., Ltd.](https://appshunter.io/developer/382218933) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-learning-for-student/id1097455606)

This learning management system client allows students and employees to access educational materials, take quizzes, and participate in collaborative projects. It supports domain switching for different organizations and offers features for registering lectures and answering surveys.

**Highlights:** Domain switching for organizations, Lecture registration, Survey and quiz participation, Material browsing and sharing, Collaborative image/video uploads

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 超教科書

[App page](https://appshunter.io/ios/app/id1487009319)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is C free?

C is free to download, with no in-app purchases.

### Is 超教科書 free?

超教科書 is free to download, with no in-app purchases.

### Do C or 超教科書 have ads?

Neither C nor 超教科書 shows ads.

### Which is updated more often, C or 超教科書?

C ships an update every 3 weeks, and 超教科書 every 6 months. Most recently, C was updated on October 8, 2026 and 超教科書 on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*